Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PETER MIKHAIL M.D.
NPI 1316181308
Psychiatry & Neurology - Psychiatry in Atascadero, CA

Active since April 22, 2009PECOS Enrolled
10333 EL CAMINO REAL, ATASCADERO, CA 93422(805) 468-2000 Get Directions Write a Review

NPPES record last updated: October 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 27, 2026, Oct 7, 2020, Mar 13, 2019 and 3 more (6 updates tracked since 2018).

About Dr. Peter Mikhail M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PETER MIKHAIL M.D. (NPI 1316181308) is an individual psychiatry provider in Atascadero, California, licensed in California (C159738) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316181308
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. PETER MIKHAILCredential: M.D.
Location Address10333 EL CAMINO REALAtascadero, CA 93422-5808
Mailing Address10333 El Camino RealAtascadero, CA 93422-5808 · (805) 468-2000
Sole ProprietorYes
Enumeration DateApril 22, 2009
Last NPPES UpdateOctober 27, 20266 updates tracked since enumeration
NPPES CertifiedOctober 27, 2026
✔ NPI 1316181308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · C159738✔ Licensed in CT · 53097✔ Licensed in DC · MD040476✔ Licensed in NY · 266226✔ Licensed in MA · 277746✔ Licensed in OH · 35.098534✔ Licensed in VA · 0101266160✔ Licensed in PA · MD444594✔ Licensed in MI · 4301101842✔ Licensed in MD · D0074078
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
10333 EL CAMINO REAL, Atascadero, CA 93422

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter Mikhail M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Peter Mikhail reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology
120 KINGS WAY STE 3500
Williamsburg, VA 23185
  • Reassigned Medicare billing, Virginia enrollment
  • 1,097 clinicians in this Medicare group
Psychiatric Hospital
45 CLAPBOARDTREE ST
Westwood, MA 02090
  • Reassigned Medicare billing, Massachusetts enrollment
  • 76 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93422 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$178.89 typical visit price
range $59.84 – $178.89
Typical copayment $44.72 (range $14.96 – $44.72)
Most-billed visit code 99205
Established Patient
$74.24 typical visit price
range $19.70 – $146.55
Typical copayment $18.56 (range $4.92 – $36.63)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Psychiatric/Mental Health)
10333 EL CAMINO REAL
ATASCADERO, CA 93422
Nurse Practitioner (Family)
10333 EL CAMINO REAL
ATASCADERO, CA 93422
Psychiatry & Neurology (Psychiatry)
10333 EL CAMINO REAL
ATASCADERO, CA 93422
Psychiatry & Neurology (Psychiatry)
10333 EL CAMINO REAL
ATASCADERO, CA 93422
Psychologist (Clinical)
10333 EL CAMINO REAL
ATASCADERO, CA 93422
Psychologist (Clinical)
10333 EL CAMINO REAL
ATASCADERO, CA 93422
Internal Medicine
10333 EL CAMINO REAL
ATASCADERO, CA 93422
Registered Nurse (Psychiatric/Mental Health, Adult)
10333 EL CAMINO REAL
ATASCADERO, CA 93422

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Mikhail's NPI number?

The NPI number for Peter Mikhail is 1316181308. It was assigned to this individual provider in the NPPES registry on April 22, 2009.

Where is Peter Mikhail located?

Peter Mikhail practices at 10333 El Camino Real, Atascadero, CA 93422. The listed phone number is (805) 468-2000.

What is Peter Mikhail's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Peter Mikhail enrolled in Medicare?

Yes. Peter Mikhail is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Peter Mikhail's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Mikhail reassigns Medicare benefits to 2 organizations: Riverside Physician Services Inc (Williamsburg, VA) and Uhs Of Westwood Pembroke Inc (Westwood, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Mikhail's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peter Mikhail was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.